09/11/17 15:42:17
>>500
\documentclass{article}
\usepackage{amscd}
\begin{document}
\[
\begin{CD}
A @>>> B \\
@VVV @AAA \\
P @>>> Q
\end{CD}
\]
\end{document}
09/11/17 15:42:17
>>500
\documentclass{article}
\usepackage{amscd}
\begin{document}
\[
\begin{CD}
A @>>> B \\
@VVV @AAA \\
P @>>> Q
\end{CD}
\]
\end{document}